wxWidgets/include/wx/gtk/webview_webkit.h
2017-04-22 20:00:48 +01:00

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7.0 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: include/gtk/wx/webview.h
// Purpose: GTK webkit backend for web view component
// Author: Robert Roebling, Marianne Gagnon
// Copyright: (c) 2010 Marianne Gagnon, 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_WEBKITCTRL_H_
#define _WX_GTK_WEBKITCTRL_H_
#include "wx/defs.h"
// NOTE: this header is used for both the WebKit1 and WebKit2 implementations
#if wxUSE_WEBVIEW && (wxUSE_WEBVIEW_WEBKIT || wxUSE_WEBVIEW_WEBKIT2) && defined(__WXGTK__)
#include "wx/sharedptr.h"
#include "wx/webview.h"
#if wxUSE_WEBVIEW_WEBKIT2
#include <glib.h>
#include <gio/gio.h>
#endif
typedef struct _WebKitWebView WebKitWebView;
//-----------------------------------------------------------------------------
// wxWebViewWebKit
//-----------------------------------------------------------------------------
class WXDLLIMPEXP_WEBVIEW wxWebViewWebKit : public wxWebView
{
public:
wxWebViewWebKit();
wxWebViewWebKit(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0,
const wxString& name = wxWebViewNameStr)
{
Create(parent, id, url, pos, size, style, name);
}
virtual bool Create(wxWindow *parent,
wxWindowID id = wxID_ANY,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize, long style = 0,
const wxString& name = wxWebViewNameStr) wxOVERRIDE;
virtual ~wxWebViewWebKit();
virtual bool Enable( bool enable = true ) wxOVERRIDE;
// implementation
// --------------
static wxVisualAttributes
GetClassDefaultAttributes(wxWindowVariant variant = wxWINDOW_VARIANT_NORMAL);
virtual void Stop() wxOVERRIDE;
virtual void LoadURL(const wxString& url) wxOVERRIDE;
virtual void GoBack() wxOVERRIDE;
virtual void GoForward() wxOVERRIDE;
virtual void Reload(wxWebViewReloadFlags flags = wxWEBVIEW_RELOAD_DEFAULT) wxOVERRIDE;
virtual bool CanGoBack() const wxOVERRIDE;
virtual bool CanGoForward() const wxOVERRIDE;
virtual void ClearHistory() wxOVERRIDE;
virtual void EnableContextMenu(bool enable = true) wxOVERRIDE;
virtual void EnableHistory(bool enable = true) wxOVERRIDE;
virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetBackwardHistory() wxOVERRIDE;
virtual wxVector<wxSharedPtr<wxWebViewHistoryItem> > GetForwardHistory() wxOVERRIDE;
virtual void LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item) wxOVERRIDE;
virtual wxString GetCurrentURL() const wxOVERRIDE;
virtual wxString GetCurrentTitle() const wxOVERRIDE;
virtual wxString GetPageSource() const wxOVERRIDE;
virtual wxString GetPageText() const wxOVERRIDE;
virtual void Print() wxOVERRIDE;
virtual bool IsBusy() const wxOVERRIDE;
void SetZoomType(wxWebViewZoomType) wxOVERRIDE;
wxWebViewZoomType GetZoomType() const wxOVERRIDE;
bool CanSetZoomType(wxWebViewZoomType) const wxOVERRIDE;
virtual wxWebViewZoom GetZoom() const wxOVERRIDE;
virtual void SetZoom(wxWebViewZoom) wxOVERRIDE;
//Clipboard functions
virtual bool CanCut() const wxOVERRIDE;
virtual bool CanCopy() const wxOVERRIDE;
virtual bool CanPaste() const wxOVERRIDE;
virtual void Cut() wxOVERRIDE;
virtual void Copy() wxOVERRIDE;
virtual void Paste() wxOVERRIDE;
//Undo / redo functionality
virtual bool CanUndo() const wxOVERRIDE;
virtual bool CanRedo() const wxOVERRIDE;
virtual void Undo() wxOVERRIDE;
virtual void Redo() wxOVERRIDE;
//Find function
virtual long Find(const wxString& text, int flags = wxWEBVIEW_FIND_DEFAULT) wxOVERRIDE;
//Editing functions
virtual void SetEditable(bool enable = true) wxOVERRIDE;
virtual bool IsEditable() const wxOVERRIDE;
//Selection
virtual void DeleteSelection() wxOVERRIDE;
virtual bool HasSelection() const wxOVERRIDE;
virtual void SelectAll() wxOVERRIDE;
virtual wxString GetSelectedText() const wxOVERRIDE;
virtual wxString GetSelectedSource() const wxOVERRIDE;
virtual void ClearSelection() wxOVERRIDE;
virtual void RunScript(const wxString& javascript) wxOVERRIDE;
//Virtual Filesystem Support
virtual void RegisterHandler(wxSharedPtr<wxWebViewHandler> handler) wxOVERRIDE;
virtual wxVector<wxSharedPtr<wxWebViewHandler> > GetHandlers() { return m_handlerList; }
virtual void* GetNativeBackend() const wxOVERRIDE { return m_web_view; }
/** TODO: check if this can be made private
* The native control has a getter to check for busy state, but except in
* very recent versions of webkit this getter doesn't say everything we need
* (namely it seems to stay indefinitely busy when loading is cancelled by
* user)
*/
bool m_busy;
wxString m_vfsurl;
//We use this flag to stop recursion when we load a page from the navigation
//callback, mainly when loading a VFS page
bool m_guard;
//This flag is use to indicate when a navigation event is the result of a
//create-web-view signal and so we need to send a new window event
bool m_creating;
protected:
virtual void DoSetPage(const wxString& html, const wxString& baseUrl) wxOVERRIDE;
virtual GdkWindow *GTKGetWindow(wxArrayGdkWindows& windows) const wxOVERRIDE;
private:
void ZoomIn();
void ZoomOut();
void SetWebkitZoom(float level);
float GetWebkitZoom() const;
//Find helper function
void FindClear();
// focus event handler: calls GTKUpdateBitmap()
void GTKOnFocus(wxFocusEvent& event);
#if wxUSE_WEBVIEW_WEBKIT2
bool CanExecuteEditingCommand(const gchar* command) const;
void SetupWebExtensionServer();
#endif
WebKitWebView *m_web_view;
int m_historyLimit;
wxVector<wxSharedPtr<wxWebViewHandler> > m_handlerList;
//variables used for Find()
int m_findFlags;
wxString m_findText;
int m_findPosition;
int m_findCount;
#if wxUSE_WEBVIEW_WEBKIT2
//Used for webkit2 extension
GDBusServer *m_dbusServer;
GDBusProxy *m_extension;
#endif
wxDECLARE_DYNAMIC_CLASS(wxWebViewWebKit);
};
class WXDLLIMPEXP_WEBVIEW wxWebViewFactoryWebKit : public wxWebViewFactory
{
public:
virtual wxWebView* Create() wxOVERRIDE { return new wxWebViewWebKit; }
virtual wxWebView* Create(wxWindow* parent,
wxWindowID id,
const wxString& url = wxWebViewDefaultURLStr,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = 0,
const wxString& name = wxWebViewNameStr) wxOVERRIDE
{ return new wxWebViewWebKit(parent, id, url, pos, size, style, name); }
};
#endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT && defined(__WXGTK__)
#endif